Assignee
CHENG KA WAI ERIC
HK·5 granted patents·35 citations·filing 2008–2011
Top patents by PatentIndex Score
5 records- 0186US8544580B2In-wheel switched reluctance motor driveCHENG KA WAI ERIC·Filed 2010·Granted Oct 1, 2013·11 cites·9 claims
- 0277US8277678B2Polymer-bonded magnetic materialsCHENG KA WAI ERIC·Filed 2008·Granted Oct 2, 2012·14 cites·10 claims
- 0361US8217618B2Energy-saving controller for three-phase induction motorsCHENG KA WAI ERIC·Filed 2009·Granted Jul 10, 2012·5 cites·12 claims
- 0460US8833780B2Active suspension system and methodCHENG KA WAI ERIC·Filed 2011·Granted Sep 16, 2014·5 cites·31 claims
- 0546US8080949B2HID ballast with integrated voltage multiplier and lamp temperature compensationCHENG KA WAI ERIC·Filed 2009·Granted Dec 20, 2011·0 cites·7 claims
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